A community,however,may add to its wealth by unproductive labour,at the expense of other communities,as an individual may at the expense of other individuals.

• 然而，一个社会却可以利用非生产劳动靠损害其他社会来增加财富，就象个人 可以利用非生产性劳动靠损害他人来增加自己的财富那样。